Under DIBH condition, the near-maximum PTV dose (D0.03 cc) was slightly lower with VMAT (median 41.9 Gy, IQR 41.7–42.2) compared to IMRT (median 42.2 Gy, IQR 42.0–42.4), although this difference did not reach statistical significance ( p = 0.015).
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Dosimetric comparison of IMRT and VMAT with deep inspiration breath hold or free breathing for right-sided whole breast irradiation.
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